Description
Correct 1973 1974 Pontiac 455 SD 455 super duty
1971 1972 455 HO
Also works for ported 6X and other 1972 and newer Pontiac heads
that have the small exhaust crossover
Produced by Spotts Performance in the USA from original GM gaskets
Has taller ports then most Pontiac D port heads
requires orange plastic dowels found in most gasket sets – not included
